/*

Pencil - Traditional Animation Software
Copyright (C) 2006-2009 Pascal Naidon

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation;

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

*/
#include "vertexref.h"

VertexRef::VertexRef() {	
	curveNumber = -1;
	vertexNumber = -1;
}

VertexRef::VertexRef(int curveN, int vertexN) {
	curveNumber = curveN;
	vertexNumber = vertexN;
}

VertexRef VertexRef::nextVertex() {
	return VertexRef(curveNumber, vertexNumber+1);
}

VertexRef VertexRef::prevVertex() {
	return VertexRef(curveNumber, vertexNumber-1);
}

bool VertexRef::operator==(VertexRef vertexRef1) {
	if( (curveNumber == vertexRef1.curveNumber) && (vertexNumber == vertexRef1.vertexNumber)) {
		return true;
	} else {
		return false;
	}
}

bool VertexRef::operator!=(VertexRef vertexRef1) {
	if( (curveNumber != vertexRef1.curveNumber) || (vertexNumber != vertexRef1.vertexNumber)) {
		return true;
	} else {
		return false;
	}
}


